About Dr. Maritza Groth
Dr. Maritza Groth is a sleep medicine physician at Mather Hospital Sleep Disorders Center in Port Jefferson, NY.
In Medicare's directory, Dr. Groth is also listed under critical care (intensivists), internal medicine, and pulmonary disease.
Dr. Groth completed medical school in 1983.
According to Medicare, Dr. Groth accepts Medicare assignment.
Where Dr. Groth practices
75 North Country Road, Port Jefferson, NY 11777
(631) 476-2721
Clinic rated 4.6 from 45 Google reviews
Other sleep physicians at Mather Hospital Sleep Disorders Center
Questions about Dr. Maritza Groth
Where does Dr. Maritza Groth practice?
Dr. Maritza Groth is listed at Mather Hospital Sleep Disorders Center (Port Jefferson, NY). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Maritza Groth?
Call Mather Hospital Sleep Disorders Center at (631) 476-2721 and ask for Dr. Groth. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Maritza Groth specialize in?
Dr. Maritza Groth specializes in sleep medicine, with critical care (intensivists), internal medicine, and pulmonary disease also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Maritza Groth accept Medicare?
Medicare's clinician directory lists Dr. Groth as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. Maritza Groth, or is something here out of date? Let us know. Find a sleep doctor near you.